        <nav class="main-nav" role="navigation">
            <div class="container">
                <div class="navbar-header">
                    <button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#navbar-collapse">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button><!--//nav-toggle-->
                </div><!--//navbar-header-->            
                <div class="navbar-collapse collapse" id="navbar-collapse">
                    <ul class="nav navbar-nav">
                        <li class="active nav-item"><a href="<?php echo base_url() ?>">Αρχικη</a></li>
                        <li class="nav-item dropdown">
                            <a class="dropdown-toggle" data-toggle="dropdown" data-hover="dropdown" data-delay="0" data-close-others="false" href="#">Ομιλος <i class="fa fa-angle-down"></i></a>
                            <ul class="dropdown-menu">
                                <li><a href="<?php echo base_url() ?>articles/get/3">Κεντρική Διοίκηση</a></li>
                                <li><a href="<?php echo base_url() ?>articles/get/13">Γνωρίστε Μας</a></li>   
                                <li><a href="<?php echo base_url() ?>articles/get/#">Ιστορική Διαδρομή</a></li>                   
                            </ul>
                        </li>
                        <li class="nav-item dropdown">
                            <a class="dropdown-toggle" data-toggle="dropdown" data-hover="dropdown" data-delay="0" data-close-others="false" href="#">Νεα <i class="fa fa-angle-down"></i></a>
                            <ul class="dropdown-menu">
                                <li><a href="<?php echo base_url() ?>news/announcements">Ανακοινώσεις Σχολής</a></li>
                                <li><a href="<?php echo base_url() ?>news/general">Νέα</a></li>      
                            </ul>
                        </li>
                        <?php if ($this->ion_auth->logged_in()) { ?>
                        <li class="nav-item dropdown">
                            <a class="dropdown-toggle" data-toggle="dropdown" data-hover="dropdown" data-delay="0" data-close-others="false" href="#">Περιοχη Μελων <i class="fa fa-angle-down"></i></a>
                            <ul class="dropdown-menu">
                                <li><a href="<?php echo base_url() ?>courses/mycourses">Τα μαθήματα μου</a></li>   
                                <li><a href="<?php echo base_url() ?>messages/mymessages">Προσωπικά μηνύματα</a></li>    
                            </ul>
                        </li><!--//dropdown-->
                        <?php 
                        }
                        ?>
                        <li class="nav-item"><a href="<?php echo base_url() ?>contact_us">Επικοινωνια</a></li>
                    </ul><!--//nav-->
                </div><!--//navabr-collapse-->
            </div><!--//container-->
        </nav><!--//main-nav-->